MBTechnology
MBTechnology LayfastSBS TU35 Underlayment 39-3/4“ x 64’ 4" 30 Roll/Pallet
Published price — same for everyone
Out of stock — available on backorder
SKU MBTLFSBS35
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Details
The MBTechnology LayfastSBS TU35 Underlayment 39-3/4“ x 64’ 4" 30 Roll/Pallet is a bur & mb systems from MBTechnology for exact-match material ordering. Match manufacturer model/MPN TU35. This variant is sold as RL with SKU MBTLFSBS35. LayfastSBS is a superior and competitively priced alternative to traditional 30 lb and 40 lb organic felt.
Key Specs
- Brand: MBTechnology
- Model / MPN: TU35
- SKU: MBTLFSBS35
- Sell unit: RL
- Product type: BUR & MB Systems
- Size: 39-3/4“ x 64’ 4" 30 Roll/Pallet
- Color / finish: 39-3/4“ x 64’ 4" 30 Roll/Pallet
- Category: Commercial Roofing | Commercial Roofing/Membranes | Commercial Roofing/Membranes/BUR & MB Systems
Key Features
- Fiberglass reinforced (inorganic) does not rot like felt, felt is reinforced with recycled paper and you have seen what happens to paper products, like newspaper, after they are left out in the weather
- SBS rubberized asphalt provides a more pliable and elastic membrane, minimizes buckles and wrinkles by laying flatter and smoother saving time
- For Steep or Flat Applications
Coverage & How Much You Need
Confirm coverage/yield from the manufacturer instructions and job takeoff before ordering.
Compatibility / Fitment
Use only with compatible systems and installation conditions specified by the manufacturer.
FAQs
What exactly am I ordering?
MBTechnology LayfastSBS TU35 Underlayment 39-3/4“ x 64’ 4" 30 Roll/Pallet, sold as RL, SKU MBTLFSBS35, manufacturer model/MPN TU35.
What unit is the price based on?
The price is for the RL sell unit.
What should I match before ordering?
Match brand, model/MPN where available, size/color, sell unit, and the project specification.
Can this be substituted?
Treat this as an exact-match building material selection; hold for review before substituting a different model, color, size, or system family.
How do I estimate quantity?
Use the project takeoff plus manufacturer installation instructions, including waste, overlap, and accessory requirements.
Follow manufacturer instructions, OSHA-safe work practices, local code, and project specifications.
Product Expert Notes
Choose this variant when MBTechnology, SKU MBTLFSBS35, RL sell unit, and MPN TU35 match the job requirement.
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